Doctors and health care providers in Orange, CA
13,245 individual NPPES records list a practice address in Orange, 11th of 812 California cities. The largest group is behavior technician: 4,271, 32% of the city's records, against 18% across California. Page 166 of 265.
The 8 largest groups in Orange
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Orange in California
- Rank in California11th of 812 cities by records
- Share of the state1.4% of California's records
- Specialties present25 or more taxonomy codes
- Top three groups42% of all records
- Behavior Technician rank7th of the 10 California cities with the most
Compared with California as a whole, Orange has 7.3× the state's share of other technician records and 0.43× its share of physical therapist records.
Providers in Orange, alphabetically
- Martin Nation, MDOrthopaedic Surgery Physician1548494248
- Megan NatividadBehavior Technician1003798471
- Eloisa Naungayan-Ramirez, NPCritical Care Medicine Nurse Practitioner1376191551
- Matthew NaushaMarriage & Family Therapist1407279649
- Aline NavaBehavior Technician1750235214
- Allize NavaBehavior Technician1053139972
- Helen NavaBehavior Technician1548920051
- Jane Nava, OTR/LOccupational Therapist1528731353
- Joseph NavaBehavior Technician1306438692
- Marlene NavaBehavior Technician1609617554
- Rosio NavaDental Assistant1164669560
- Pournima Navalkele, MD, MPHPediatric Hematology & Oncology Physician1366671091
- Brittney NavarreteBehavior Technician1871278457
- Dora Navarrete, B.A.Mental Health Counselor1386822120
- Fabian NavarreteBehavior Technician1750065843
- Cristian NavarroBehavior Technician1801689609
- Cristina Navarro, NONEBehavior Technician1972232742
- Daisy Navarro, BA SOCIOLOGYCase Manager/Care Coordinator1710137120
- Efrain NavarroBehavior Technician1154187599
- Fernando NavarroBehavior Analyst1679332399
- Jasmine NavarroBehavior Technician1285585828
- Jennifer Navarro, MAPsychologist1407365091
- Karla NavarroBehavior Technician1144870551
- Kimberly Navarro, PA63196Physician Assistant1033784806
- Lizbeth Navarro, MSW, ASWClinical Social Worker1679022065
- Mark NavarroMental Health Counselor1871934620
- Natalie NavarroBehavior Technician1073211785
- Nicole NavarroMental Health Counselor1588201016
- Roman Navarro, M.D.Emergency Medicine Physician1154734671
- Teresita NavarroRehabilitation Practitioner1992986848
- Yanira NavarroBehavior Technician1063357820
- Kristopher NaylorBehavior Technician1225722820
- Samir Nazarali, MDOphthalmology Physician1366294209
- Alexander Nazareth, MDOrthopaedic Surgery Physician1649733460
- Anthony NazaryanStudent in an Organized Health Care Education/Training Program1285494260
- Sohrab Nazertehrani, MDDiagnostic Radiology Physician1760878037
- Sharron NealonBehavior Technician1942065271
- Alicia NeedhamBehavior Technician1861388191
- Caleb NegassiOther Technician1508522954
- Angelica NegreteBehavior Technician1871200253
- Beatriz NegreteClinical Social Worker1740326602
- Lessly Negrete-Tuy, B.C.B.A.Behavior Analyst1578008595
- Ricardo NegronFoot & Ankle Surgery Podiatrist1932548393
- Andrew NeiBehavior Technician1245105568
- Michael Neinast, DONephrology Physician1770105769
- Alicia NelsonStudent in an Organized Health Care Education/Training Program1053734376
- Christina Nelson, DNP, RN, AGACNP-BCNurse Practitioner1790499218
- Edward L Nelson, MDHematology & Oncology Physician1780764951
- Jessica NelsonClinical Social Worker1245787902
- John Stuart Nelson, MDSurgery Physician1316027584
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
How to read this directory
Orange, California appears in the CMS National Plan and Provider Enumeration System with 13,245 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Orange - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Orange practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Orange is weighted toward Behavior Technician (4,271 clinicians, followed by Student in an Organized Health Care Education/Training Program with 870 and Marriage & Family Therapist with 424). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, Orange reports roughly 34 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of California's most common specialties, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Orange practice address, a coverage gap Orange patients typically fill by traveling to a larger nearby hub.
For Orange patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Orange, CA?
There are 13,245 registered healthcare providers in Orange, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Orange?
The most common specialties in Orange are Behavior Technician, Student in an Organized Health Care Education/Training Program, Marriage & Family Therapist, Clinical Social Worker, Mental Health Counselor. Behavior Technician has the most providers with 4,271.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.